package com.bawei.auth.service;

import cn.hutool.core.util.RandomUtil;
import com.alibaba.nacos.shaded.org.checkerframework.checker.units.qual.A;
import com.bawei.auth.form.TelSmsUtils;
import com.bawei.system.remote.api.RemoteUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import com.bawei.common.core.constant.Constants;
import com.bawei.common.core.constant.SecurityConstants;
import com.bawei.common.core.constant.UserConstants;
import com.bawei.common.core.domain.R;
import com.bawei.common.core.enums.UserStatus;
import com.bawei.common.core.exception.ServiceException;
import com.bawei.common.core.utils.StringUtils;
import com.bawei.common.security.utils.SecurityUtils;
import com.bawei.system.domain.SysUser;
import com.bawei.system.domain.model.LoginUser;

import java.util.HashMap;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 登录校验方法
 *
 * @author bawei
 */
@Component
public class SysLoginService
{
    @Autowired
    private RemoteUserService remoteUserService;

    @Autowired
    private SysPasswordService passwordService;

    @Autowired
    private SysRecordLogService recordLogService;

    @Autowired
    private StringRedisTemplate redisTemplate;


    /**
     * 登录
     */
    public LoginUser login(String username, String password)
    {
        // 用户名或密码为空 错误
        if (StringUtils.isAnyBlank(username, password))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户/密码必须填写");
            throw new ServiceException("用户/密码必须填写");
        }
        // 密码如果不在指定范围内 错误
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户密码不在指定范围");
            throw new ServiceException("用户密码不在指定范围");
        }
        // 用户名不在指定范围内 错误
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户名不在指定范围");
            throw new ServiceException("用户名不在指定范围");
        }
        // 查询用户信息
        R<LoginUser> userResult = remoteUserService.getUserInfo(username, SecurityConstants.INNER);

        if (StringUtils.isNull(userResult) || StringUtils.isNull(userResult.getData()))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "登录用户不存在");
            throw new ServiceException("登录用户：" + username + " 不存在");
        }

        if (R.FAIL == userResult.getCode())
        {
            throw new ServiceException(userResult.getMessage());
        }

        LoginUser userInfo = userResult.getData();
        SysUser user = userResult.getData().getSysUser();
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag()))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
            throw new ServiceException("对不起，您的账号：" + username + " 已被删除");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus()))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
            throw new ServiceException("对不起，您的账号：" + username + " 已停用");
        }
        passwordService.validate(user, password);
        recordLogService.recordLogininfor(username, Constants.LOGIN_SUCCESS, "登录成功");
        return userInfo;
    }

    public void logout(String loginName)
    {
        recordLogService.recordLogininfor(loginName, Constants.LOGOUT, "退出成功");
    }

    /**
     * 注册
     */
    public void register(String username, String password)
    {
        // 用户名或密码为空 错误
        if (StringUtils.isAnyBlank(username, password))
        {
            throw new ServiceException("用户/密码必须填写");
        }
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            throw new ServiceException("账户长度必须在2到20个字符之间");
        }
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            throw new ServiceException("密码长度必须在5到20个字符之间");
        }

        // 注册用户信息
        SysUser sysUser = new SysUser();
        sysUser.setUserName(username);
        sysUser.setNickName(username);
        sysUser.setPassword(SecurityUtils.encryptPassword(password));
        R<?> registerResult = remoteUserService.registerUserInfo(sysUser, SecurityConstants.INNER);

        if (R.FAIL == registerResult.getCode())
        {
            throw new ServiceException(registerResult.getMessage());
        }
        recordLogService.recordLogininfor(username, Constants.REGISTER, "注册成功");
    }

    public SysUser sendCode(String phonenumber) {
        if(phonenumber==null){
            throw new RuntimeException("电话号不能为空");
        }
        Pattern compile = Pattern.compile("^(?:(?:\\+|00)86)?1\\d{10}$");
        boolean matches = compile.matcher(phonenumber).matches();
        if(!matches){
            throw new RuntimeException("电话号格式不正确");
        }
        SysUser sysUserByphone = remoteUserService.findSysUserByphone(phonenumber);
        if(sysUserByphone==null){
            throw new RuntimeException("不存在该用户");
        }
        if(redisTemplate.hasKey(phonenumber)){
            throw new RuntimeException("一分钟只能发送一次");
        }
        //boolean b = TelSmsUtils.querySendDetails(phonenumber, "200");
        String code = RandomUtil.randomNumbers(6);
        if(code!=null){
            TelSmsUtils.sendSms(phonenumber,new HashMap<String,String>(){{
                put("code",code);
            }});
            redisTemplate.opsForValue().set(phonenumber,code,1,
                    TimeUnit.MINUTES);
        }else {
            throw new RuntimeException("发送失败");
        }
        return null;
    }


    public LoginUser dologin(SysUser sysUser) {
        // 手机号不能为空
        if (StringUtils.isAnyBlank(sysUser.getPhonenumber()))
        {
            throw new RuntimeException("手机号不能为空");
        }

        // 查询用户信息
        SysUser user = remoteUserService.findSysUserByphone(sysUser.getPhonenumber());
        if (user==null)
        {
            recordLogService.recordLogininfor(user.getUserName(), Constants.LOGIN_FAIL, "登录用户不存在");
            throw new ServiceException("登录用户：" + user.getUserName() + " 不存在");
        }
        if(!redisTemplate.hasKey(sysUser.getPhonenumber())){
            throw new RuntimeException("验证码过期");
        }
        String s = redisTemplate.opsForValue().get(sysUser.getPhonenumber());
        if(!s.equals(sysUser.getCode())){
            throw new RuntimeException("验证码错误");
        }
        LoginUser loginUser = new LoginUser();
        loginUser.setSysUser(user);
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag()))
        {
            recordLogService.recordLogininfor(user.getUserName(), Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
            throw new ServiceException("对不起，您的账号：" + user.getUserName() + " 已被删除");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus()))
        {
            recordLogService.recordLogininfor(user.getUserName(), Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
            throw new ServiceException("对不起，您的账号：" + user.getUserName() + " 已停用");
        }
        return loginUser;
    }
}
